815051520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:675

約数の個数: 216

約数和(自身を含む): 2845861200

約数和(自身を除く): 2030809680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 417, 480, 509, 556, 576, 640, 695, 720, 768, 834, 960, 1018, 1112, 1152, 1251, 1280, 1390, 1440, 1527, 1668, 1920, 2036, 2085, 2224, 2304, 2502, 2545, 2780, 2880, 3054, 3336, 3840, 4072, 4170, 4448, 4581, 5004, 5090, 5560, 5760, 6108, 6255, 6672, 7635, 8144, 8340, 8896, 9162, 10008, 10180, 11120, 11520, 12216, 12510, 13344, 15270, 16288, 16680, 17792, 18324, 20016, 20360, 22240, 22905, 24432, 25020, 26688, 30540, 32576, 33360, 35584, 36648, 40032, 40720, 44480, 45810, 48864, 50040, 53376, 61080, 65152, 66720, 70751, 73296, 80064, 81440, 88960, 91620, 97728, 100080, 106752, 122160, 130304, 133440, 141502, 146592, 160128, 162880, 177920, 183240, 195456, 200160, 212253, 244320, 266880, 283004, 293184, 320256, 325760, 353755, 366480, 390912, 400320, 424506, 488640, 533760, 566008, 586368, 636759, 651520, 707510, 732960, 800640, 849012, 977280, 1061265, 1132016, 1172736, 1273518, 1415020, 1465920, 1601280, 1698024, 1954560, 2122530, 2264032, 2547036, 2830040, 2931840, 3183795, 3396048, 4245060, 4528064, 5094072, 5660080, 5863680, 6367590, 6792096, 8490120, 9056128, 10188144, 11320160, 12735180, 13584192, 16980240, 18112256, 20376288, 22640320, 25470360, 27168384, 33960480, 40752576, 45280640, 50940720, 54336768, 67920960, 81505152, 90561280, 101881440, 135841920, 163010304, 203762880, 271683840, 407525760, 815051520]

約数ペア:

[(1, 815051520), (2, 407525760), (3, 271683840), (4, 203762880), (5, 163010304), (6, 135841920), (8, 101881440), (9, 90561280), (10, 81505152), (12, 67920960), (15, 54336768), (16, 50940720), (18, 45280640), (20, 40752576), (24, 33960480), (30, 27168384), (32, 25470360), (36, 22640320), (40, 20376288), (45, 18112256), (48, 16980240), (60, 13584192), (64, 12735180), (72, 11320160), (80, 10188144), (90, 9056128), (96, 8490120), (120, 6792096), (128, 6367590), (139, 5863680), (144, 5660080), (160, 5094072), (180, 4528064), (192, 4245060), (240, 3396048), (256, 3183795), (278, 2931840), (288, 2830040), (320, 2547036), (360, 2264032), (384, 2122530), (417, 1954560), (480, 1698024), (509, 1601280), (556, 1465920), (576, 1415020), (640, 1273518), (695, 1172736), (720, 1132016), (768, 1061265), (834, 977280), (960, 849012), (1018, 800640), (1112, 732960), (1152, 707510), (1251, 651520), (1280, 636759), (1390, 586368), (1440, 566008), (1527, 533760), (1668, 488640), (1920, 424506), (2036, 400320), (2085, 390912), (2224, 366480), (2304, 353755), (2502, 325760), (2545, 320256), (2780, 293184), (2880, 283004), (3054, 266880), (3336, 244320), (3840, 212253), (4072, 200160), (4170, 195456), (4448, 183240), (4581, 177920), (5004, 162880), (5090, 160128), (5560, 146592), (5760, 141502), (6108, 133440), (6255, 130304), (6672, 122160), (7635, 106752), (8144, 100080), (8340, 97728), (8896, 91620), (9162, 88960), (10008, 81440), (10180, 80064), (11120, 73296), (11520, 70751), (12216, 66720), (12510, 65152), (13344, 61080), (15270, 53376), (16288, 50040), (16680, 48864), (17792, 45810), (18324, 44480), (20016, 40720), (20360, 40032), (22240, 36648), (22905, 35584), (24432, 33360), (25020, 32576), (26688, 30540)]